# Relationship history for MSHA mine 4606442

Current hierarchy: **James G  Bryant → Bryant Trucking Company Inc → #1 Surface Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Outlaw Coal Company → #1 Surface Mine; 1981-10-01 to 1984-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Stull Edward D → #1 Surface Mine; 1981-10-01 to 1984-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Stull Edward D → Outlaw Coal Company; 1981-10-01 to 1984-03-12; source msha-controller-operator-history
- **controller_controls_mine:** James G  Bryant → #1 Surface Mine; 1983-09-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bryant Trucking Company Inc → #1 Surface Mine; 1984-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James G  Bryant → Bryant Trucking Company Inc; 1984-03-13 to current/open; source msha-controller-operator-history